[PATCH 2/2] drm/xe/guc: Initialize GuC ID manager sooner

Michal Wajdeczko michal.wajdeczko at intel.com
Sat Apr 6 14:39:46 UTC 2024


The GuC submission cleanup code may depend on the GuC ID manager,
thus we can't initialize it after registering a submission cleanup
action, as reverse cleanup sequence will destroy GuC ID manager
prior to a call to guc_submit_fini().

Move GuC ID manager initialization up, right after managed mutex
initialization, to have it available during guc_submit_fini().

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/xe/xe_guc_submit.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index 4c444fddfba6..61e7a8fbd18c 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -266,6 +266,10 @@ int xe_guc_submit_init(struct xe_guc *guc)
 	if (err)
 		return err;
 
+	err = xe_guc_id_mgr_init(&guc->submission_state.idm, ~0);
+	if (err)
+		return err;
+
 	err = alloc_submit_wq(guc);
 	if (err)
 		return err;
@@ -279,15 +283,7 @@ int xe_guc_submit_init(struct xe_guc *guc)
 
 	primelockdep(guc);
 
-	err = drmm_add_action_or_reset(&xe->drm, guc_submit_fini, guc);
-	if (err)
-		return err;
-
-	err = xe_guc_id_mgr_init(&guc->submission_state.idm, ~0);
-	if (err)
-		return err;
-
-	return 0;
+	return drmm_add_action_or_reset(&xe->drm, guc_submit_fini, guc);
 }
 
 static void __release_guc_id(struct xe_guc *guc, struct xe_exec_queue *q, u32 xa_count)
-- 
2.43.0



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